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What Are Ecological Pyramids

The pyramid o...

Question

The pyramid of biomass represents the relationships that exist between the quantity of living matter (biomass) at different trophic level. In the terrestrial ecosystem, the biomass progressively decreases from producers to top carnivores.
What does the biomass pyramid represents?

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Solution

Pyramid of biomass represents the amount of living matter present in an ecosystem. In a terrestrial ecosystem, such as in case of a tree, the pyramid of biomass is upright as it supports a large number of birds and thus, biomass progressively decreases at each successive trophic level from producers to top carnivores.

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Q. The pyramid of biomass represents the relationships that exist between the quantity of living matter (biomass) at different trophic level. In the terrestrial ecosystem, the biomass progressively decreases from producers to top carnivores.

In which ecosystem the biomass progressively decreases form producers to top carnivores?

Q. The given pyramid of biomass represents different trophic levels in a terrestrial ecosystem. The producers are represented by level

Q. An ecological pyramid shows the relationship of biomass, productivity or energy at different trophic levels. Consider the following statements about ecological pyramidsWhich of the above statement(s) is/are NOT correct?

Only 1 & 2
Only 2 & 3
Only 1 &3
None of these

Q. Read the following statements regarding ecological pyramids and choose the correct answer.
(a) Relationship between organisms at different trophic levels is expressed in terms of number, biomass and energy.
(b) Any calculations of energy content, biomass or number has to include one group of organisms at that trophic level.
(c) In most ecosystems, all the pyramids of number, biomass and energy are upright.
(d) The pyramid of biomass in sea is generally inverted.
(e) Pyramid of energy is always inverted and can never be upright.

Q. In a pyramid of biomass, primary producers have a dry biomass of 809 kg/

m^{2}

. The biomass at tertiary consumer level would be

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